/* Lunibyte local-first tools — shared design (Claude · 2026-10-27).
   Same tokens as lunibyte.com (--bg/--card/--accent/--gold). System fonts only:
   tool pages make no third-party requests (strict CSP), so no web-font fetch. */
:root{--bg:#050816;--card:#0f1834;--card2:#131f42;--ink:#F5F7FB;--silver:#D7DEEA;--muted:#9AA6C0;
--accent:#19E3C8;--accent-ink:#04201c;--gold:#ECCE7F;--danger:#ff7a7a;--warn:#fbd88d;--ok:#6ee7a8;
--line:rgba(215,222,234,.14);--line2:rgba(215,222,234,.28);--radius:14px;
--add-bg:rgba(46,204,113,.16);--add-ink:#a7f3c8;--del-bg:rgba(255,99,99,.16);--del-ink:#ffb4b4;
--font:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",Arial,sans-serif;
--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--silver);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
h1,h2,h3{color:var(--ink);letter-spacing:-.01em;line-height:1.2;margin:0 0 .4em}
h1{font-size:clamp(1.7rem,5vw,2.4rem);font-weight:800}
h2{font-size:1.15rem;font-weight:700}
p{margin:.4em 0 .8em}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:8px 12px;z-index:10;border-radius:0 0 8px 0}
.skip:focus{left:0}
.site-head{border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;font-size:1.05rem}
.brand img{width:28px;height:28px;border-radius:7px}
.tool-name{color:var(--muted);font-weight:600;font-size:.95rem}
.beta{display:inline-block;border:1px solid var(--gold);color:var(--gold);border-radius:999px;font-size:.72rem;font-weight:700;padding:1px 8px;margin-left:6px;vertical-align:middle;letter-spacing:.04em}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
main.wrap{padding-top:22px;padding-bottom:80px}
.lead{color:var(--muted);font-size:1.05rem;max-width:46rem}
.privacy{display:flex;gap:10px;align-items:flex-start;border:1px solid rgba(25,227,200,.35);background:rgba(25,227,200,.07);border-radius:12px;padding:10px 14px;margin:12px 0 18px;font-size:.92rem}
.privacy b{color:var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:0 0 16px}
.card>h2:first-child{margin-top:0}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.stack>*+*{margin-top:10px}
label{display:block;font-weight:600;color:var(--ink);font-size:.92rem}
label .hint,.hint{display:block;color:var(--muted);font-weight:400;font-size:.84rem}
input,select,textarea,button{font:inherit;color:var(--ink)}
input[type=text],input[type=number],input[type=password],input[type=datetime-local],input[type=search],select,textarea{
  width:100%;max-width:100%;background:var(--card2);border:1px solid var(--line2);border-radius:10px;padding:9px 11px;margin-top:4px;min-height:44px}
textarea{min-height:160px;resize:vertical;font-family:var(--mono);font-size:.9rem;line-height:1.45}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:9px 16px;border-radius:999px;border:1px solid var(--line2);background:var(--card2);color:var(--ink);font-weight:700;cursor:pointer;text-decoration:none;font-size:.95rem}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.danger{border-color:rgba(255,122,122,.6);color:var(--danger)}
.btn.small{min-height:36px;padding:5px 12px;font-size:.85rem}
.btn[disabled],.btn[aria-disabled=true]{opacity:.45;cursor:not-allowed}
.drop{border:2px dashed var(--line2);border-radius:var(--radius);padding:22px;text-align:center;color:var(--muted);position:relative}
.drop.over{border-color:var(--accent);background:rgba(25,227,200,.06)}
.drop input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.drop strong{color:var(--ink)}
.status{min-height:1.6em;font-size:.93rem}
.status.ok{color:var(--ok)}.status.err{color:var(--danger)}.status.warn{color:var(--warn)}
.notice{border-left:3px solid var(--warn);background:rgba(251,216,141,.07);padding:8px 12px;border-radius:0 10px 10px 0;color:var(--silver);font-size:.9rem;margin:10px 0}
.notice.err{border-color:var(--danger);background:rgba(255,122,122,.08)}
.notice.ok{border-color:var(--ok);background:rgba(110,231,168,.07)}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line2);border-radius:999px;padding:2px 10px;font-size:.8rem;color:var(--silver)}
.table-wrap{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:10px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.86rem}
th,td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top;white-space:pre;max-width:28ch;overflow:hidden;text-overflow:ellipsis}
th{background:var(--card2);color:var(--ink);position:sticky;top:0}
fieldset{border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:0}
legend{padding:0 6px;color:var(--ink);font-weight:700}
.check{display:flex;gap:8px;align-items:center;font-weight:500}
.check input{width:20px;height:20px;accent-color:var(--accent)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-foot{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:18px 0 60px}
.site-foot a{color:var(--muted)}
details>summary{cursor:pointer;color:var(--ink);font-weight:600}
@media (max-width:560px){.card{padding:12px}.btn{padding:9px 13px}main.wrap{padding-top:14px}}
@media print{.site-head,.site-foot,.no-print,.privacy{display:none!important}body{background:#fff;color:#000}.card{border:0;background:#fff;padding:0}}